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Titanium 6-7 vs. EN 1.4470 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4470 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.4470 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
23
Fatigue Strength, MPa 530
320
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 45
80
Tensile Strength: Ultimate (UTS), MPa 1020
680
Tensile Strength: Yield (Proof), MPa 900
480

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 300
1060
Melting Completion (Liquidus), °C 1700
1450
Melting Onset (Solidus), °C 1650
1400
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
17
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
3.6
Embodied Energy, MJ/kg 540
49
Embodied Water, L/kg 190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
570
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
24
Strength to Weight: Bending, points 44
22
Thermal Shock Resistance, points 66
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
21 to 23
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
63.7 to 71.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
2.5 to 3.5
Nickel (Ni), % 0
4.5 to 6.5
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0.12 to 0.2
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0